Plunk

useplunk.com

Open-source transactional email platform — self-hostable, $0.001/email, no contact limits.

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Plunk screenshot
/ About /

Plunk is an open-source email platform that combines transactional emails, marketing campaigns, and workflow automation in a single self-hostable tool. It offers a visual builder for email sequences, unlimited contact storage, and AGPL-3.0 licensed code with GDPR compliance. Pricing is usage-based at $0.001 per email sent, positioning it as a low-cost alternative to Resend, SendGrid, Mailchimp, and others.

/ How it works /

Plunk provides a unified platform with a visual workflow builder, unlimited contact storage, and pay-per-send pricing, deployable via Docker Compose or as a managed cloud service.

/ Who it's for /

developers and founders building SaaS products or side projects

/ More info /

Background.

Status
launched
Business model
freemium
/ Discovered patterns /

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